Log in to your QuickBooks Online account.

Click "Get paid & pay" on the left-hand sidebar. 

On the top-right, select the green "Create invoice" button. 

Fill in the necessary details for the invoice, including the customer name, billing address, and invoice date. You can also add a memo or a reference number if needed.

QuickBooks is a widely-used accounting software developed by Intuit, designed to simplify financial management for businesses of all sizes. It provides a user-friendly platform for tasks like invoicing, expense tracking, payroll processing, and generating financial reports. QuickBooks automates many financial processes, making it easier for businesses to monitor their financial health, prepare taxes, and manage cash flow. With its various versions and integrations, QuickBooks caters to the needs of freelancers, small businesses, and larger enterprises, offering a flexible and comprehensive solution for efficient accounting and financial management.

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This guide provides step-by-step instructions on how to create and send invoices in QuickBooks Online. It covers everything from logging in to your account to adding customer details, products/services, and sending the invoice. It also mentions the option to add a "Pay Now" button for online payments and provides tips on customization and generating reports. Following this guide will help you efficiently manage your invoicing process using QuickBooks Online.